This options allows you to apply shaders that can do things like make your tv/game look like it did back in the 80s and 90s.

This options allows you to apply shaders that can do things like make your tv/game look like it did back in the 80s and 90s.

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There are 4 shader sets by default:

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On Batocera 5.23 there are 4 shader sets by default:

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* **scanlines**:​ the most realistic, for a 80s/90s look and feel. Most Batocera users have a LCD screen, not a CRT, so this mode enables scanlines ​and screen curving ​to simulate the effects you get out of a big old TV set.

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* **scanlines**:​ the most realistic, for a 80s/90s look and feel. Most Batocera users have a LCD screen, not a CRT, so this mode enables scanlines to simulate the effects you get out of a big old TV set (but no curvature on the image).

* **retro**: a.k.a. "big pixel" mode, that adds a retro vibe to the output. Think the "​indies"​ games you can find on Steam by dozens in 2019, overindexing on the 8-bit effect.

* **retro**: a.k.a. "big pixel" mode, that adds a retro vibe to the output. Think the "​indies"​ games you can find on Steam by dozens in 2019, overindexing on the 8-bit effect.

* **enhanced**:​ adds blurring and anti-aliasing to provide a smoother output, more in line with what you expect from a video game nowadays.

* **enhanced**:​ adds blurring and anti-aliasing to provide a smoother output, more in line with what you expect from a video game nowadays.

* **default**:​ as the 3 previous modes are quite extreme in their choices, "​default"​ is a more moderate mode that will make more consensus. There will always be people who hate pixels, screen curving or anti-alasing. ​

* **default**:​ as the 3 previous modes are quite extreme in their choices, "​default"​ is a more moderate mode that will make more consensus. There will always be people who hate pixels, screen curving or anti-alasing. ​

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Batocera 5.24 will introduce a 4th mode **curvature** that provides scanlines + simulated screen curving, like good old CRT screens.